HackingHealthcareHealthcareSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)LowContained

HCA Healthcare Inc.

bd_e67383b4c4107fbe · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 3, 2021

Filed

Dec 1, 2021

To disclose

28 days

Affected

625state residents only

Confidence

70%

Full breach record for HCA Healthcare Inc. →4 incidents on file

HealthCare, Inc. reported a third-party cyberattack affecting 625 Washington residents. Attackers accessed vendor systems from Sept 19-22, 2021; HealthCare was notified Nov 3, 2021. Data involved: names and dates of birth. Vendor secured data; no misuse known.

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Washington clock✓ WA AG ≤30d28 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 45 days

discovery → filing · 28 days

Sep 19, 2021

Begins

Nov 3, 2021

Discovered

Dec 1, 2021

Filed

vs. sector median

8 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed625 affectedView incident

Name: HCA Healthcare Inc.
norm: hca healthcare
Domain: hcahealthcare.com

Name: HCA Healthcare Inc.
norm: hca healthcare
Domain: hcahealthcare.com
Industry: Healthcarellm

Discovered: Nov 3, 2021
Breach occurred: Sep 19, 2021 – Sep 22, 2021
Undetected for: 45 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 12, 2021
Affected individuals: 625state-resident count only
Data types: Identity (basic)
Data elements: NameDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Initial access: supply_chain

During the incident: Working with the vendor to determine what happened and what information was affected
Taking steps to ensure that data held by the vendor on our behalf has been adequately secured
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: WA AG ≤30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA4193.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 1, 2021
Raw hash: 105e482acb6af3348ff468022f8482bff3f193cc12ce0a2ffab61bf1124ff2a1

Reporting entityHCA Healthcare Inc.

Victim entityHCA Healthcare Inc.

Incidentdiscovered Nov 3, 2021

Stated responseWorking with the vendor to determine what happened and what information was affected

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com